Sommers, H.H <br/><br/>
The Slide Rule and How to Use it 

 - New York:  Follett Publishing Company,  1964. 
 - 160p.  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.78  / SOM